NetSight
high7.5

CVE-2020-13238

Mitsubishi MELSEC iQ-R Series PLCs with firmware 33 allow attackers to halt the industrial process by sending an unauthenticated crafted packet over the networ…

Impact

Mitsubishi MELSEC iQ-R Series PLCs with firmware 33 allow attackers to halt the industrial process by sending an unauthenticated crafted packet over the network, because this denial of service attack consumes excessive CPU time. After halting, physical access to the PLC is required in order to restore production.

Affected products

VendorProductAffected versions
MitsubishielectricMelsec Iq-R00cpu Firmware
through 7
MitsubishielectricMelsec Iq-R01cpu Firmware
through 7
MitsubishielectricMelsec Iq-R02cpu Firmware
through 7
MitsubishielectricMelsec Iq-R04cpu Firmware
through 39
MitsubishielectricMelsec Iq-R08cpu Firmware
through 39
MitsubishielectricMelsec Iq-R16cpu Firmware
through 39
MitsubishielectricMelsec Iq-R32cpu Firmware
through 39
MitsubishielectricMelsec Iq-R120cpu Firmware
through 39
MitsubishielectricMelsec Iq-R08fcpu Firmware
through 20
MitsubishielectricMelsec Iq-R16fcpu Firmware
through 20
MitsubishielectricMelsec Iq-R32fcpu Firmware
through 20
MitsubishielectricMelsec Iq-R120fcpu Firmware
through 20

Weakness classification

References